package com.yyfax.infrastructure.network;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.telephony.TelephonyManager;

import java.io.IOException;
import java.net.*;
import java.util.Enumeration;

/**
 * Created by HenryZhang on 2016/11/30.
 * Copyright © 2016 www.yyfax.com. All Rights Reserved.
 */
public class NetworkTool {
	public static int NET_CNNT_BAIDU_OK = 1; // NetworkAvailable
	public static int NET_CNNT_BAIDU_TIMEOUT = 2; // no NetworkAvailable
	public static int NET_NOT_PREPARE = 3; // Net no ready
	public static int NET_ERROR = 4; //net error

	private static int TIMEOUT = 3000; // TIMEOUT

	/**
	 * check NetworkAvailable
	 * @param context
	 * @return
	 */
	public static boolean isNetworkAvailable(Context context) {
		ConnectivityManager manager = (ConnectivityManager) context.getApplicationContext().getSystemService(
				Context.CONNECTIVITY_SERVICE);
		if (null == manager)
			return false;
		NetworkInfo info = manager.getActiveNetworkInfo();
		if (null == info || !info.isAvailable())
			return false;
		return true;
	}

	/**
	 * getLocalIpAddress
	 */
	public static String getLocalIpAddress() {
		String ret = "";
		try {
			for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) {
				NetworkInterface intf = en.nextElement();
				for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {
					InetAddress inetAddress = enumIpAddr.nextElement();
					if (!inetAddress.isLoopbackAddress()) {
						ret = inetAddress.getHostAddress().toString();
					}
				}
			}
		} catch (SocketException ex) {
			ex.printStackTrace();
		}
		return ret;
	}

	/**
	 * 返回当前网络状态
	 */
	public static int getNetState(Context context) {
		try {
			ConnectivityManager connectivity = (ConnectivityManager) context
					.getSystemService(Context.CONNECTIVITY_SERVICE);
			if (connectivity != null) {
				NetworkInfo networkinfo = connectivity.getActiveNetworkInfo();
				if (networkinfo != null) {
					if (networkinfo.isAvailable() && networkinfo.isConnected()) {
						if (!connectionNetwork())
							return NET_CNNT_BAIDU_TIMEOUT;
						else
							return NET_CNNT_BAIDU_OK;
					} else {
						return NET_NOT_PREPARE;
					}
				}
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return NET_ERROR;
	}

	/**
	 * ping "http://www.baidu.com"
	 */
	static private boolean connectionNetwork() {
		boolean result = false;
		HttpURLConnection httpUrl = null;
		try {
			httpUrl = (HttpURLConnection) new URL("http://www.baidu.com").openConnection();
			httpUrl.setConnectTimeout(TIMEOUT);
			httpUrl.connect();
			result = true;
		} catch (IOException e) {
		} finally {
			if (null != httpUrl) {
				httpUrl.disconnect();
			}
			httpUrl = null;
		}
		return result;
	}

	/**
	 * check is3G
	 */
	public static boolean is3G(Context context) {
		ConnectivityManager connectivityManager = (ConnectivityManager) context
				.getSystemService(Context.CONNECTIVITY_SERVICE);
		NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();
		if (activeNetInfo != null
				&& activeNetInfo.getType() == ConnectivityManager.TYPE_MOBILE) {
			return true;
		}
		return false;
	}

	/**
	 * isWifi
	 */
	public static boolean isWifi(Context context) {
		ConnectivityManager connectivityManager = (ConnectivityManager) context
				.getSystemService(Context.CONNECTIVITY_SERVICE);
		NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();
		if (activeNetInfo != null
				&& activeNetInfo.getType() == ConnectivityManager.TYPE_WIFI) {
			return true;
		}
		return false;
	}

	/**
	 * is2G
	 */
	public static boolean is2G(Context context) {
		ConnectivityManager connectivityManager = (ConnectivityManager) context
				.getSystemService(Context.CONNECTIVITY_SERVICE);
		NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();
		if (activeNetInfo != null
				&& (activeNetInfo.getSubtype() == TelephonyManager.NETWORK_TYPE_EDGE
				|| activeNetInfo.getSubtype() == TelephonyManager.NETWORK_TYPE_GPRS || activeNetInfo
				.getSubtype() == TelephonyManager.NETWORK_TYPE_CDMA)) {
			return true;
		}
		return false;
	}

	/**
	 *  is wifi on
	 */
	public static boolean isWifiEnabled(Context context) {
		ConnectivityManager mgrConn = (ConnectivityManager) context
				.getSystemService(Context.CONNECTIVITY_SERVICE);
		TelephonyManager mgrTel = (TelephonyManager) context
				.getSystemService(Context.TELEPHONY_SERVICE);
		return ((mgrConn.getActiveNetworkInfo() != null && mgrConn
				.getActiveNetworkInfo().getState() == NetworkInfo.State.CONNECTED) || mgrTel
				.getNetworkType() == TelephonyManager.NETWORK_TYPE_UMTS);
	}
}
